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 * Copyright (c) 2024, 2024, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.truffle.espresso.jvmci.meta;

import jdk.vm.ci.meta.JavaConstant;
import jdk.vm.ci.meta.MethodHandleAccessProvider;
import jdk.vm.ci.meta.ResolvedJavaMethod;

public final class EspressoMethodHandleAccessProvider implements MethodHandleAccessProvider {
    @Override
    public IntrinsicMethod lookupMethodHandleIntrinsic(ResolvedJavaMethod method) {
        return lookupMethodHandleIntrinsic0((EspressoResolvedJavaMethod) method);
    }

    private native IntrinsicMethod lookupMethodHandleIntrinsic0(EspressoResolvedJavaMethod method);

    @Override
    public ResolvedJavaMethod resolveInvokeBasicTarget(JavaConstant methodHandle, boolean forceBytecodeGeneration) {
        if (methodHandle.isNull()) {
            return null;
        }
        if (!(methodHandle instanceof EspressoObjectConstant)) {
            throw new IllegalArgumentException(methodHandle.getClass().toString());
        }
        return resolveInvokeBasicTarget0((EspressoObjectConstant) methodHandle, forceBytecodeGeneration);
    }

    private native EspressoResolvedJavaMethod resolveInvokeBasicTarget0(EspressoObjectConstant methodHandle, boolean forceBytecodeGeneration);

    @Override
    public ResolvedJavaMethod resolveLinkToTarget(JavaConstant memberName) {
        if (memberName.isNull()) {
            return null;
        }
        if (!(memberName instanceof EspressoObjectConstant)) {
            throw new IllegalArgumentException(memberName.getClass().toString());
        }
        return resolveLinkToTarget0((EspressoObjectConstant) memberName);
    }

    private native EspressoResolvedJavaMethod resolveLinkToTarget0(EspressoObjectConstant memberName);
}
